feat: allow custom http client and use ctx for http1 apiclient. Fixes #12827 #21097

Job	Run time
Get changed files	6s
argoexec-image	2m 36s
Unit Tests	4m 26s
Lint	3m 46s
Codegen	5m 3s
Windows Unit Tests	5m 9s
UI	0s
E2E Tests (test-executor, minimal)	13m 37s
E2E Tests (test-corefunctional, minimal)	12m 14s
E2E Tests (test-functional, minimal)	19m 29s
E2E Tests (test-api, mysql)	6m 39s
E2E Tests (test-cli, mysql)	10m 31s
E2E Tests (test-cron, minimal)	6m 18s
E2E Tests (test-examples, minimal)	5m 56s
E2E Tests (test-plugins, plugins)	3m 52s
E2E Tests (test-java-sdk, minimal)	3m 26s
E2E Tests (test-python-sdk, minimal)	3m 9s
E2E Tests (test-executor, v1.26.15+k3s1, minimal)	14m 34s
E2E Tests (test-corefunctional, v1.26.15+k3s1, minimal)	13m 0s
E2E Tests (test-functional, v1.26.15+k3s1, minimal)	21m 27s
E2E Tests - Composite result	1s
	2h 35m 19s

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